Pharmaceutical preparation comprising a cardiac glycoside with a polymer coating
Patent 4263273 Issued on April 21, 1981. Estimated Expiration Date: 
December 17, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 17, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsAssigneeApplicationNo. 06/104689 filed on 12/17/1979US Classes:424/494, Cellulose derivatives424/490, Coated (e.g., microcapsules)424/497, Containing solid synthetic polymers424/498, Containing waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof514/460, Chalcogen bonded directly to ring carbon of the hetero ring514/473, Chalcogen bonded directly to the hetero ring514/821ANTIARRHYTHMICExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmInternational ClassA61K 9/50 (20060101)Foreign Application Priority Data1978-12-22 SEAbstractA solid pharmaceutical preparation for administration in dosage unit form comprising a therapeutically effective cardiac glycoside, whereby each dosage unit is to comprise a plurality of bodies, each of said bodies having a pharmaceutically indifferent core, a first layer thereon containing the glycoside and a second layer containing a polymer insoluble in gastric juice and soluble in intestinal juice, a process for preparing such preparation and a method of treatment employing the same.Other References
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